Pneumatic stacker.



J. A.` WALSH. PNBUMATIU STAGKER.

APPLICATION FILED 00T.22, 1909.

962,06, Patented .mue 21, 1910.

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J. A. WALSH.

PNEUMATIG STAGKER.

APPLIGATION FILED oomz, 1909.

Patented June 21, 1910.

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JAMES A. WALSH, OF INDIANAPOLIS, INDIANA, ASSIGNOR TO THE INDIANA MANU- FACTURING COMPANY, 0F INDIANAPOLIS, INDIANA, A CORPORATION OF WEST VIRGINIA.

PNEUMATIC STACKER.

To all whom it may concern:

Be it known that I, JAMES A. WALSH, a citizen of the United States, residing at Indianapolis, in the county of Marion and State of Indiana, have invented certain new and useful Improvements in Pneumatic Stackers, of which the following is a specilication.

My said invention relates to improvements in pneumatic stackers, and particularly to the hoppers thereof, by which I am enabled to employ a downwardly convergent hopper in connection with a vertically arranged side fan, and of a character which does not necessitate the use of an inclined hopper bottom or rotary or other conveyors therein for moving material toward the inliuence of the intake suction air current of the stacker fan, all as will be hereinafter more particularly pointed out.

In the accompanying drawings, which are made a part hereof, and in which similar reference numerals indicate similar parts, Figure 1 is a rear elevation of a pneumatic stacker embodying my invention; Fig. 2, a transverse sectional view thereof; Fig. 3, a detail sectional view looking in the direction indicated by the arrows 3 8 in Fig. 2, and Fig. t, a perspective view of the hopper showing fragmentary portions of parts associated therewith.

In said drawings the portions marked 5 represent the casing of an ordinary separating machine, and 6 the straw chamber at the rear end thereof. rIhe hopper preferably consists of substantially convergently arranged rear, side and bottom walls, 7, 8, 17, the bottom member being preferably concave in form as indicated at 9 in Fig. 4, and the lower side of said hopper is provided with an opening 10 for a purpose which will presently appear. The stacker fan may be of any desired construction adapted to be vertically arranged at the side of the machine, that illustrated comprising the usual housing 12, wings 13 and shaft 14, the latter being provided with a power driven pulley as indicated. I lead an air and material conductor 16 from said hopper to the intake Specification of Letters Patent.

Application filed October 22, 1909.

Patented June 21, 1910.

Serial No. 524,004.

opening of the stacker fan, which opening, as indicated in Fig. 3, lies substantially between the axis and periphery of the fan, and which conductor, therefore, is of semicylindrical form to coincide with said opening and the opening in the side wall 17 where said conductor is adjoined. However, said conductor may be of any formation to correspond with the openings in said hopper and fan housing.

In operation, 'the straw discharging into chamber 6 (and other material discharging rearwardly from other portions of the separator) descends into the hopper and because of the convergent formation of the latter such material. is deflected toward the bot tom thereof. As the zone of action of the intake suction air current created by the stacker fan extends through the conductor 16 and terminates at a point but slightly within the hopper, I provide the air inlet opening 10 in the side of said hopper opposite to the fan through which air from the exterior of the machine is supplied and by which arrangement a continuous blast draft is produced across the hopper through the conductor and into the fan, and, therefore, all material falling into such draft is instantly withdrawn through the conductor and into the fan and discharged through the outlet 18, and thence through the stacker chute 20, as usual.

I claim as my invention:

1. In a pneumatic stacker, the combination of a downwardly-convergent hopper having an air inlet opening in one of its side walls and a material discharge outlet in the lower portion of its opposite side wall, a vertically arranged fan adjacent to said hopper having an opening in its casing, and a horizontally arranged material con'- ductor leading from said material discharge outlet across to said fan opening for conveying material to the said fan.

2. In a pneumatic stacker, the combination of a downwardly convergent hopper having a material discharge outlet in one of its side walls, a vertically arranged fan adjacent to the said hopper having a material inlet in its casing coincident with said Ina- In testimony whereof I ailix my signature terial discharge outlet, and a horizontally in presence of tWo Witnesses. arranged conductor communicating With JAMES A WALSH and spanning the space between said outlet and said inlet through which material is Witnesses:

conveyed from said hopper across to said JOSEPH K. SHARPE, Jr., fan. WALTER J. TINGLE. 

